Home / 6,383.26-9,531.85-5,215.56

Finding the Fourth Proportional to 6,383.26, 9,531.85 and 5,215.56

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Solution

The fourth proportional to 6,383.26, 9,531.85 and 5,215.56 is: 7,788.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383.26 : 9,531.85 = 5,215.56 : x
  2. Step 2: Convert to fraction form
    6,383.26/9,531.85 = 5,215.56/x
  3. Step 3: Cross multiply
    6,383.26x = 9,531.85 × 5,215.56
  4. Step 4: Simplify right side
    6,383.26x = 49,713,935.59
  5. Step 5: Solve for x
    x = 49,713,935.59/6,383.26
  6. Step 6: Final answer
    x = 7,788.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.